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This moves all generic proof utilites from src/expr/ and src/theory/ to src/proof/.
It also changes the include for term conversion proof generator to conv_proof_generator in preparation to rename this utility on a followup PR (to avoid confusion with the use of "Term").
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Previously the SMT post-processor would update any assumption as long as it
had a proof for it. This can be a problem when one as assumption introduced in a
scope that should not be expanded. This commit fixes the issue by adding the
option of configuring a proof node updater to track scopes and the assumptions
they introduce, which can be used to determine the prood nodes which should be
updated. It also changes the SMT post-processor to only update assumptions that
have not been introduced in some scope.
This commit fixes an issue found by @Lachnitt during the integration of CVC4 and Isabelle.
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Similar to #6031, this PR implements suggestions from iwyu to reduce the number of includes in header files by introducing forward declarations and moving includes to source files.
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Also moves several proof-specific options to proof_options.
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(#5939)
Required for work on external proof conversions.
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Split proof ensure closed checks to own file
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This updates the proof node updater with a mergeSubproofs field which automatically merges subproofs in the same SCOPE that prove the same thing. This is currently enabled by default, it is now configurable and disabled by default.
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This PR updates the update-copyright.pl script to also update/add copyright headers to CMake specific files. It further fixes a small typo in the header.
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This updates the proof node updater so that we apply updates to a fixed point, stopping if the proof node is not updated or if the callback explicitly tells us not to continue. This also fixes an issue where proof nodes would be updated to SCOPE and incorrectly traversed after updating.
This additionally adds debugging feature to proof node updater to track the moment at which an unexpected free assumption is introduced by an update.
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This includes some changes to proof node updater that are not currently on master.
This includes:
(1) Explicitly passing the result of the current proof node we are updating,
(2) Caching the results of updates based on Node. In other words, proofs (in the same scope) that we have already seen that prove the same thing as the current proof node are reused.
It also enables the compilation of proof post-processor, which was missing on master and makes Rewriter of SmtEngine public which is required for doing so.
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This adds the proof generator for storing proofs of preprocessing. It stores assertions added via preprocessing passes and their rewrites. This utility will eventually live in SmtEngine.
It also adds 2 new proof rules, and fixes an issue in ProofNodeUpdater.
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Adds utility for updating proof nodes. The module for post-processing proof nodes in the SmtEngine for the sake of proof conversion to external formats will build on this utility.
Requires #4617.
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